Euler Finance Health API
Liveness, readiness, and dashboard-friendly platform status checks. Use these for operational monitoring, not for reconstructing full portfolio state.
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OpenAPI Specification
openapi: 3.2.0
info:
title: Euler Data API (V3) Health API
version: 3.0.0
description: API specification for Euler Data v3.
servers:
- url: /
description: Current environment
security: []
tags:
- name: Health
description: Liveness, readiness, and dashboard-friendly platform status checks. Use these for operational monitoring, not for reconstructing full portfolio state.
paths:
/v3/health:
get:
tags:
- Health
summary: Basic health check
x-status: implemented
responses:
'200':
description: OK
headers:
X-Request-Id:
$ref: '#/components/headers/X-Request-Id'
content:
application/json:
schema:
type: object
required:
- data
- meta
properties:
data:
$ref: '#/components/schemas/HealthResponse'
meta:
$ref: '#/components/schemas/PaginationMeta'
operationId: getHealth
/v3/health/detailed:
get:
tags:
- Health
summary: Dependency health check
x-status: implemented
responses:
'200':
description: OK
headers:
X-Request-Id:
$ref: '#/components/headers/X-Request-Id'
content:
application/json:
schema:
type: object
required:
- data
- meta
properties:
data:
$ref: '#/components/schemas/DetailedHealthResponse'
meta:
$ref: '#/components/schemas/PaginationMeta'
operationId: getHealthDetailed
/v3/health/live:
get:
tags:
- Health
summary: Liveness probe
x-status: implemented
responses:
'200':
description: OK
headers:
X-Request-Id:
$ref: '#/components/headers/X-Request-Id'
content:
application/json:
schema:
type: object
required:
- data
- meta
properties:
data:
type: object
required:
- status
properties:
status:
type: string
enum:
- ok
meta:
$ref: '#/components/schemas/PaginationMeta'
operationId: getHealthLive
/v3/health/ready:
get:
tags:
- Health
summary: Readiness probe
x-status: implemented
responses:
'200':
description: Ready
headers:
X-Request-Id:
$ref: '#/components/headers/X-Request-Id'
content:
application/json:
schema:
type: object
required:
- data
- meta
properties:
data:
type: object
required:
- status
properties:
status:
type: string
enum:
- ready
meta:
$ref: '#/components/schemas/PaginationMeta'
'503':
description: Not ready
content:
application/json:
schema:
type: object
required:
- data
- meta
properties:
data:
type: object
required:
- status
- reasons
- checks
properties:
status:
type: string
enum:
- not_ready
reasons:
type: array
items:
type: string
checks:
type: object
properties:
database:
type: string
enum:
- ok
- error
redis:
type: string
enum:
- ok
- error
meta:
$ref: '#/components/schemas/PaginationMeta'
operationId: getHealthReady
/v3/metrics:
get:
tags:
- Health
summary: Prometheus metrics endpoint
description: Internal observability endpoint for Prometheus scraping.
x-status: implemented
security:
- AdminSecret: []
responses:
'200':
description: Prometheus metrics text payload
content:
text/plain:
schema:
type: string
'401':
$ref: '#/components/responses/Error401'
'403':
$ref: '#/components/responses/Error403'
operationId: getMetrics
components:
schemas:
ErrorResponse:
type: object
required:
- error
properties:
error:
type: object
required:
- code
- message
- requestId
properties:
code:
type: string
description: 'Domain error code. Examples:
- INVALID_ADDRESS
- CHAIN_NOT_SUPPORTED
- VAULT_NOT_FOUND
- TOKEN_NOT_FOUND
- ACCOUNT_NOT_FOUND
- VALIDATION_ERROR
- RATE_LIMIT_EXCEEDED
- UNSUPPORTED_MEDIA_TYPE
- UNAUTHORIZED
- FORBIDDEN
- INTERNAL_ERROR
'
message:
type: string
requestId:
type: string
details:
type: object
additionalProperties: true
HealthResponse:
type: object
required:
- status
- version
- uptime
- timestamp
properties:
status:
type: string
enum:
- healthy
- degraded
- unhealthy
version:
type: string
uptime:
type: integer
timestamp:
type: string
format: date-time
PaginationMeta:
type: object
required:
- timestamp
properties:
total:
type: integer
description: Exact total count when the endpoint provides one.
hasMore:
type: boolean
description: Indicates whether another page exists beyond the current page.
offset:
type: integer
limit:
type: integer
description: Echoed page size after endpoint-side clamping.
timestamp:
type: string
format: date-time
chainId:
type: string
description: Comma-separated chain IDs for multi-chain responses.
DetailedHealthResponse:
allOf:
- $ref: '#/components/schemas/HealthResponse'
- type: object
required:
- checks
properties:
checks:
type: object
properties:
database:
type: object
properties:
status:
type: string
enum:
- ok
- error
latency:
type: number
error:
type: string
redis:
type: object
properties:
status:
type: string
enum:
- ok
- error
latency:
type: number
error:
type: string
indexer:
type: object
properties:
status:
type: string
enum:
- ok
- syncing
- error
blocksBehind:
type: integer
syncProgress:
type: number
latency:
type: number
error:
type: string
headers:
X-Request-Id:
description: Request identifier for tracing.
schema:
type: string
responses:
Error401:
description: Unauthorized
headers:
X-Request-Id:
$ref: '#/components/headers/X-Request-Id'
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
Error403:
description: Forbidden
headers:
X-Request-Id:
$ref: '#/components/headers/X-Request-Id'
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
securitySchemes:
ApiKeyAuth:
type: apiKey
in: header
name: X-API-Key
description: API key authentication (optional; higher rate limits).
BearerAuth:
type: http
scheme: bearer
bearerFormat: API key
description: 'Alternative to X-API-Key using Authorization: Bearer <key>'
AdminSecret:
type: apiKey
in: header
name: X-Admin-Secret
description: Admin secret (server-to-server) for API key management.
PlatformSession:
type: apiKey
in: cookie
name: euler_platform_session
description: Signed, httpOnly platform-operator browser session cookie.
PlatformCsrf:
type: apiKey
in: header
name: X-CSRF-Token
description: Double-submit CSRF token required for unsafe cookie-authenticated methods.